1000507155655 has 32 divisors (see below), whose sum is σ = 1385269226496. Its totient is φ = 679492468224.

The previous prime is 1000507155617. The next prime is 1000507155719. The reversal of 1000507155655 is 5565517050001.

It is a cyclic number.

It is not a de Polignac number, because 1000507155655 - 2¹⁹ = 1000506631367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17411782 + ... + 17469148.

It is an arithmetic number, because the mean of its divisors is an integer number (43289663328).

Almost surely, 2^{1000507155655} is an apocalyptic number.

1000507155655 is a deficient number, since it is larger than the sum of its proper divisors (384762070841).

1000507155655 is a wasteful number, since it uses less digits than its factorization.

1000507155655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62143.

The product of its (nonzero) digits is 131250, while the sum is 40.

The spelling of 1000507155655 in words is "one trillion, five hundred seven million, one hundred fifty-five thousand, six hundred fifty-five".